參數(shù)資料
型號: MPR121QR2
廠商: Freescale Semiconductor
文件頁數(shù): 12/27頁
文件大小: 0K
描述: IC CTLR TOUCH SENSOR 20-QFN
產(chǎn)品培訓(xùn)模塊: MPR121: Low-Power Touch Sensor
產(chǎn)品目錄繪圖: MPR121QR2CT
特色產(chǎn)品: MPR121 Proximity Capacitive Touch Sensor Controller
標(biāo)準(zhǔn)包裝: 1
類型: 電容式,近程傳感器
輸入數(shù)/鍵: 12
評估套件: 可供
數(shù)據(jù)接口: I²C,串行
電源電壓: 1.71 V ~ 3.6 V
電流 - 電源: 29µA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-UFQFN
供應(yīng)商設(shè)備封裝: 20-QFN(3x3)
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面: 2808 (CN2011-ZH PDF)
其它名稱: MPR121QR2DKR
MPR121
Sensors
2
Freescale Semiconductor, Inc.
1
Pin Descriptions
Table 1. Pin Descriptions
Pin No.
Pin Name
Description
1
IRQ
Open Collector Interrupt Output Pin, active low
2
SCL
I2C Clock
3
SDA
I2C Data
4
ADDR
I2C Address Select Input Pin. Connect the ADDR pin to the VSS, VDD, SDA or SCL line
, the resulting I2C addresses
are 0x5A, 0x5B, 0x5C and 0x5D respectively
5
VREG
Internal Regulator Node – Connect a 0.1
μF bypass cap to VSS
6
VSS
Ground
7
REXT
External Resistor – Connect a 75 k
Ω 1% resistor to VSS to set internal reference current
8
ELE0
Electrode 0
9
ELE1
Electrode 1
10
ELE2
Electrode 2
11
ELE3
Electrode 3
12
ELE4
Electrode 4
13
ELE5
Electrode 5
14
ELE6
Electrode 6
15
ELE7
Electrode 7
16
ELE8
Electrode 8
17
ELE9
Electrode 9
18
ELE10
Electrode 10
19
ELE11
Electrode 11
20
VDD
Connect a 0.1
μF bypass cap to VSS
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